Symbol Legend; Common Abbreviations - Bosch FHP560 Applications Manual

Applications Manual

10 Symbol Legend

Bosch Thermotechnology Corp.

10.1 Common Abbreviations

Abbreviations
AFMS Air Flow Measuring Station
AC Air Conditioning
ACU Air Conditioning Unit
AHU Air Handling Unit
AI Analog Input
AO Analog Output
AUTO Automatic
AUX Auxiliary
BAS Building Automation System
BC Boilerless Control
BI Binary Input
BMS Building Management System
BO Binary Output
C Common (24VAC)
CHW Chilled Water
COND Condenser
COMP Compressor
CW Condenser Water
CWP Circulating Water Pump
DA Discharge Air
DDC Direct Digital Control
DES Damper End Switch
DFS Dirty Filter Switch
DI Digital Input
DO Digital Output
DPS Differential Pressure Switch
DX Direct Expansion
EA Exhaust Air
EF Exhaust Fan
EVAP Evaporator
EW Entering Water
F Fahrenheit
FM Flow Meter
FSS Fan Status Switch
HGRH Hot Gas Re-Heat
HP Heat Pump/High Pressure
HW Hot Water
IEM Input Expansion Module
LP Loop Pump/Low Pressure
LW Leaving Water
MA Mixed Air
MAX Maximum
MIN Minimum
MINS Minutes
MISC Miscellaneous
Table 8
Page____ of ____
FHP560 Controller | 11
MOD Modulating
NC Normally Closed
NO Normally Open
OA Outdoor Air
OAD Outdoor Air Damper
OCC Occupancy
RA Return Air
RF Return Fan
RH Relative Humidity
RV Reversing Valve
SA Supply Air
SCR Silicon-Controlled Rectifi er
SDP Secondary Drain Pan
SDS Smoke Detector Switch
SECS Seconds
SF Supply Fan
SOO Sequence of Operation
SP Static Pressure
S/S Start/Stop
STG Stage
TEMP Temperature
UI Universal Input
UPM Unit Protection Module
VAV Variable Air Volume
VES Valve End Switch
VFD Variable Frequency Drive
VLV Valve
WSE Water-Side Economizer
WSHP Water Source Heat Pump
THERMOSTAT SIGNALS
G Fan Signal
O Reversing Valve Signal
Y1 Compressor Stage 1 Signal
Y2 Compressor Stage 2 Signal
W Electric Heat Signal
H Reheat Signal
EV Economizer Valve Signal
CV Condenser Valve Signal
P Pump Signal
Data subject to change